1、The laptop power port
Notebook power port generally include circular power port, square power port, and USB Type-C power port. Do not mistake the square power port for USB.
2、The notebook USB port
There are two types of common USB ports: Type-A and Type-C. Type A is the most common. Type-C is a more popular port in recent years. Because the most obvious advantage of Type-C is to support positive and negative plugs. And Type-C has a special form, that is Thunderbolt 3.It is a very comprehensive port.Not only can it be used for traditional USB interface to transfer data, but also can be used as a video output interface to connect to an external monitor. It can even power laptops or external devices.Generally, there will be a small lightning logo next to the Thunderbolt 3 port, and users can distinguish it based on this logo.
3、The video port
There are three types of video port: VGA, HDMI, and DP. The best port is DP, followed by HDMI, and the worst is VGA analog signal video port. DP is divided into two types: standard DP and Mini DP. Mini DP is smaller in appearance. Standard DP port is rare. Most laptops currently use Mini DP port.
4、The network port
The network port is also called RJ-45 network port. It is a wired network port. After connecting the network cable, it can realize the Internet access function. In addition to connecting the network cable, the notebook has a built-in wireless network card, which can also achieve wireless Internet access.
5、Audio port
The diameter of the audio port jack is 3.5mm, which can connect headphones, stereos and microphones.
6、SD card reader slot
SD card reader is used to connect the memory card of camera or mobile phone. SD card reader is divided into standard SD card reader and Micro SD (TF) card reader, which correspond to standard SD card and Micro SD card respectively.
7、Security keyhole
The security keyhole is a function to prevent theft of the notebook. It can only be used with a security lock. The security lock is not included with the notebook. We need to buy it.
Thank you for reading, these should help you understand the port of the laptop
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